INRGREF/vmd-climate-growth-analysis: VMD Climate–Growth Analysis

This version includes the complete and reproducible workflow for multi-scale climate–growth analysis using Variational Mode Decomposition (VMD), PCA, and PCR bootstrap regression.

Included analyses: VMD decomposition of climate and tree-ring data Extraction of climate cycles (monthly → biological year) PCA of VMD climate modes PCR bootstrap climate–growth modeling Variance contribution analysis Publication-ready figures Study system: Pinus halepensis in semi-arid Tunisia

Methods: Variational Mode Decomposition (VMD) Principal Component Analysis (PCA) Bootstrap PCR regression (1000 iterations) Multi-scale climate signal analysis Status: Manuscript submitted to Dendrochronologia

Authors: Ali Khorchani, Beya Bachtobji, Hamdi Aouinti, Abdelhamid Khaldi